vown.誓约v.发誓
vows of revenge发誓报复
vow vengeance for发誓要为 ... 报仇
vow to do...宣誓......
Vow to be number one.誓为第一人。
vower consumption demands用电需求
vowed they would never surrender.发誓他们将永不投降
vowing revenge on their persecutors.发誓要对他们的迫害者复仇